[Typo3-shop] Avoid extension chaos please

[Michael Stucki]

Hello Franz,

> I have already started to extend the original tt_products and I will
> continue this the next weeks and even months. Later I want to bring in
> other additions from the tt_products derivates listed above. If you
> agree, I would coordinate this, so also others can bring in their work.

Don't wait months with this. Make small steps, include all bugfixes first
and add new features whenever you have time for them.

That's why I asked if there is a project leader who can decide about this?
But for me this seems ok.

There seem to be two projects:
- tt_products
- tx_shop

Just make sure you don't forget this when talking about project leader etc.

> Do we have any existing shop data with which we can test if the changes
> did not affect them? I think this has been the main reason why nobody
> cared about making additions to tt_products but developed a new
> extension instead of it. With this he did not have to pay attention to
> compatibility and testing.

I think there is a shop implementation in the testsite. However it's an easy
step to create your own one, isn't it?

Just make a shop with the current "official" extension one and compare how
it works after you've upgraded to your extension.

(Generally, this backwards compatibility is quite easy to keep. Just make
sure you don't remove any functionality and check that new conditions,
fields, etc. have good default modes...)

- michael
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